Proceedings of the Symposium on Global Environment
Online ISSN : 1884-8419
ISSN-L : 1347-510X
CLIMATE CHANGE INFLUENCE ON FOREST IN THE NAGARA RIVER BASIN
Seirou SHINODAGoro MOURIYusuke WADAYutaka KAMEHARAJunpei YAMAKAWATakeshi KATAGIRI
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2004 Volume 12 Pages 165-170

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Abstract

Annual changes in the temperature/precipitation and a runoff process in the forest watershed were investigated from the statistical analysis of various time series records. The climate change has not appeared in only a temperature increase but also changes in the precipitation pattern such as the extension of nonprecipitation period, the shortening of precipitation duration and the cyclic interval of heavy rain, and so on. Such climate change become causes of the shortening of precipitation-runoff response, the decrease of the amount of effective precipitation, and the increase of the sediment yields through the increase of evapotranspitation and the decrease of the soil moisture.

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© by Japan Society of Civil Engineers
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